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Finding the Fourth Proportional to 15,898.20, 23,789.70 and 10,714.20

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Solution

The fourth proportional to 15,898.20, 23,789.70 and 10,714.20 is: 16,032.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,898.20 : 23,789.70 = 10,714.20 : x
  2. Step 2: Convert to fraction form
    15,898.20/23,789.70 = 10,714.20/x
  3. Step 3: Cross multiply
    15,898.20x = 23,789.70 × 10,714.20
  4. Step 4: Simplify right side
    15,898.20x = 254,887,603.74
  5. Step 5: Solve for x
    x = 254,887,603.74/15,898.20
  6. Step 6: Final answer
    x = 16,032.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.